/**
 * Copyright 2010 Longyi Qi
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */

#import "NGMutateDocument.h"

@implementation NGMutateDocument

- (id) init {
	if (self = [super init]) {
		_documentOperations = [[NSMutableArray alloc] init];
	}
	return self;
}

+ (NGMutateDocument *) mutateDocument:(NSArray *)documentOperations {
	NGMutateDocument *mutateDocumentInstance = [[[NGMutateDocument alloc] init] autorelease];
	for (id <NGDocOpComponent> thisOperation in documentOperations) {
		[mutateDocumentInstance addOperation:thisOperation];
	}
	return mutateDocumentInstance;
}

-(void) addOperation:(id <NGDocOpComponent>)operation {
	[_documentOperations addObject:operation];
}

- (NSArray *) documentOperations {
	return _documentOperations;
}

- (void) dealloc {
	[_documentOperations release];
	[super dealloc];
}

@end
